Finding the Fourth Proportional to 6,221,088.40, 9,330,232.20 and 2,232,000.40
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Solution
The fourth proportional to 6,221,088.40, 9,330,232.20 and 2,232,000.40 is: 3,347,498.16
Step by Step Solution
- Step 1: Write the proportion equation
6,221,088.40 : 9,330,232.20 = 2,232,000.40 : x - Step 2: Convert to fraction form
6,221,088.40/9,330,232.20 = 2,232,000.40/x - Step 3: Cross multiply
6,221,088.40x = 9,330,232.20 × 2,232,000.40 - Step 4: Simplify right side
6,221,088.40x = 20,825,082,002,492.88 - Step 5: Solve for x
x = 20,825,082,002,492.88/6,221,088.40 - Step 6: Final answer
x = 3,347,498.16
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.